WO2001047290A2 - Call re-establishment for a dual mode telephone - Google Patents
Call re-establishment for a dual mode telephone Download PDFInfo
- Publication number
- WO2001047290A2 WO2001047290A2 PCT/EP2000/012254 EP0012254W WO0147290A2 WO 2001047290 A2 WO2001047290 A2 WO 2001047290A2 EP 0012254 W EP0012254 W EP 0012254W WO 0147290 A2 WO0147290 A2 WO 0147290A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- call
- cordless
- base station
- mobile
- wireless communication
- Prior art date
Links
- 230000009977 dual effect Effects 0.000 title description 24
- 238000004891 communication Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims description 6
- 230000001413 cellular effect Effects 0.000 description 58
- 230000004044 response Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000011664 signaling Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000000881 depressing effect Effects 0.000 description 3
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000003915 cell function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
- H04W36/1446—Reselecting a network or an air interface over a different radio air interface technology wherein at least one of the networks is unlicensed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
Definitions
- FIG 1 shows a wireless communication system 100 with a wireless or mobile dual mode handset 110 having a PCS or cellular mode for connection to a PCS/Cellular system and a cordless mode for connection to a cordless system.
- the PCS/Cellular systems may be AMPS, GSM, TDMA, or CDMA
- the cordless system may be DECT, FM, spread spectrum, or the Bluetooth telephony profile.
- the mobile and cordless modes or services are for illustrative purposes. It is understood by those skilled in the art that the handset 110 and communication system 100 can include any two modes or services.
- Each RF section 215, 220 further includes an RSSI function unit 285, 287 to detect received RSSI (Received Signal Strength Indicator) signals that indicate the strength of the received RF signals. Detection of the RSSI signals by the cordless and cellular RSSI units 285, 287 indicates availability of the corresponding cordless and cellular services.
- RSSI Received Signal Strength Indicator
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001547892A JP2003518847A (en) | 1999-12-20 | 2000-12-05 | Call re-establishment for dual mode phones |
EP00990654A EP1177701A2 (en) | 1999-12-20 | 2000-12-05 | Call re-establishment for a dual mode telephone |
KR1020017010457A KR20010102217A (en) | 1999-12-20 | 2000-12-05 | Call re-establishment for a dual mode telephone |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/467,591 | 1999-12-20 | ||
US09/467,591 US6445921B1 (en) | 1999-12-20 | 1999-12-20 | Call re-establishment for a dual mode telephone |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001047290A2 true WO2001047290A2 (en) | 2001-06-28 |
WO2001047290A3 WO2001047290A3 (en) | 2001-11-15 |
Family
ID=23856316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/012254 WO2001047290A2 (en) | 1999-12-20 | 2000-12-05 | Call re-establishment for a dual mode telephone |
Country Status (6)
Country | Link |
---|---|
US (1) | US6445921B1 (en) |
EP (1) | EP1177701A2 (en) |
JP (1) | JP2003518847A (en) |
KR (1) | KR20010102217A (en) |
CN (1) | CN1186951C (en) |
WO (1) | WO2001047290A2 (en) |
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US8073494B2 (en) | 2006-12-05 | 2011-12-06 | Research In Motion Limited | Alert methods and apparatus for call appointments in a calendar application based on communication conditions of a mobile station |
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US8805876B2 (en) | 2006-12-05 | 2014-08-12 | Blackberry Limited | Methods and apparatus for use in controlling scanning operations in a mobile communication device |
US7933581B2 (en) | 2007-06-08 | 2011-04-26 | Research In Motion Limited | Methods and apparatus for use in processing disconnected emergency calls and other communications involving mobile communication devices and the remote monitoring thereof |
US8160543B2 (en) | 2007-06-08 | 2012-04-17 | Research In Motion Limited | Methods and apparatus for use in processing disconnected emergency calls and other communications involving mobile communication devices and the remote monitoring thereof |
US8483655B2 (en) | 2007-06-08 | 2013-07-09 | Research In Motion Limited | Methods and apparatus for use in processing disconnected emergency calls and other communications involving mobile communication devices and the remote monitoring thereof |
CN104780517A (en) * | 2014-01-15 | 2015-07-15 | 诺基亚公司 | Method and device for communication of mobile phone |
Also Published As
Publication number | Publication date |
---|---|
WO2001047290A3 (en) | 2001-11-15 |
US20020049073A1 (en) | 2002-04-25 |
CN1358394A (en) | 2002-07-10 |
EP1177701A2 (en) | 2002-02-06 |
KR20010102217A (en) | 2001-11-15 |
JP2003518847A (en) | 2003-06-10 |
US6445921B1 (en) | 2002-09-03 |
CN1186951C (en) | 2005-01-26 |
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